The Afghanistan strategy is developed under the guideline of the trump administration’s global strategy that focuses on great-power strategic competition. The intra-Afghan negotiations will determine the political situation and the future of Afghanistan after the U.S. withdrawal. After rounds of strategic games，the intra-Afghan negotiations finally start. But the dispute between the Afghan government and the Afghan Taliban have made the intra-Afghan negotiations fruitless. The pivotal role of the United States is weakening，which make the intra-Afghan negotiations more difficult. After the U.S. withdrawal，the intra-Afghan negotiations is likely to fail.